Core Development on Device History Feature- Designed and implemented a comprehensive 'Device History' feature to streamline device managementfor HR and IT teams. Used NextJS for frontend, NestJS for backend and MongoDB to store the data.- This automated system captures actions such as device assignment to employees and complex taskslike servicing, and maintaining an accurate and accessible history.Automated Notification System Implementation- Engineered a refined Slack notification system using AWS Lambda, reducing order fulfilment Turnaround Time (TAT) by 30%.- This streamlined communication and ensured timely updates to the operations team, leading to moreefficient top-up and shipment processes.Performance Optimization Initiatives- Led efforts to boost product performance, achieving a 25% reduction in data retrieval times. Implemented the refinement of GraphQL queries and restructuring of API calls using NestJS and TypeScript.- Introduced strategic caching mechanisms with Apollo client, seamlessly integrated with NextJS. Thiseliminated unnecessary API calls, achieving an impressive 20% reduction in page load latency,significantly contributing to a more responsive user experience.